On Tue, 29 Nov 2011 12:26:23 -0200, Eugeni Dodonov <eugeni at dodonov.net> wrote: > For the perf counters, I thought on the following flow of execution with > this patch: > 1. prev_val=$(cat /sys/kernel/debug/dri/0/i915_enable_rc6) > 2. echo 0 > /sys/kernel/debug/dri/0/i915_enable_rc6 > 3. do the perf counters aquisition and testing > 4. echo $(prev_val) > /sys/kernel/debug/dri/0/i915_enable_rc6 > > Comments? debugfs should never be ABI. Development and debug testing is one thing, but if we are serious about this, we need to start building an acceptable user interface elsewhere in /sys. -Chris -- Chris Wilson, Intel Open Source Technology Centre
